477 	int  frame_width, image_height, image_width;  in v4l2_detect_cvt()  local
530 		image_height = (frame_height - 2 * v_fp - 2 * vsync - 2 * v_bp) & ~0x1;  in v4l2_detect_cvt()
532 		image_height = (frame_height - v_fp - vsync - v_bp + 1) & ~0x1;  in v4l2_detect_cvt()
534 	if (image_height < 0)  in v4l2_detect_cvt()
540 		image_width = (image_height * 4) / 3;  in v4l2_detect_cvt()
543 		image_width = (image_height * 16) / 9;  in v4l2_detect_cvt()
546 		image_width = (image_height * 16) / 10;  in v4l2_detect_cvt()
550 		if (image_height == 1024)  in v4l2_detect_cvt()
551 			image_width = (image_height * 5) / 4;  in v4l2_detect_cvt()
552 		else if (image_height == 768)  in v4l2_detect_cvt()
553 			image_width = (image_height * 15) / 9;  in v4l2_detect_cvt()
609 	fmt->bt.height = image_height;  in v4l2_detect_cvt()
617 		fmt->bt.vbackporch = frame_height - image_height - v_fp - vsync;  in v4l2_detect_cvt()
620 		fmt->bt.vbackporch = (frame_height - image_height - 2 * v_fp -  in v4l2_detect_cvt()
622 		fmt->bt.il_vbackporch = frame_height - image_height - 2 * v_fp -  in v4l2_detect_cvt()
696 	int frame_width, image_height, image_width;  in v4l2_detect_gtf()  local
717 		image_height = (frame_height - 2 * v_fp - 2 * vsync - 2 * v_bp) & ~0x1;  in v4l2_detect_gtf()
719 		image_height = (frame_height - v_fp - vsync - v_bp + 1) & ~0x1;  in v4l2_detect_gtf()
721 	if (image_height < 0)  in v4l2_detect_gtf()
728 	image_width = ((image_height * aspect.numerator) / aspect.denominator);  in v4l2_detect_gtf()
767 	fmt->bt.height = image_height;  in v4l2_detect_gtf()
775 		fmt->bt.vbackporch = frame_height - image_height - v_fp - vsync;  in v4l2_detect_gtf()
778 		fmt->bt.vbackporch = (frame_height - image_height - 2 * v_fp -  in v4l2_detect_gtf()
780 		fmt->bt.il_vbackporch = frame_height - image_height - 2 * v_fp -  in v4l2_detect_gtf()